First impressions are not too bad, but I agree with above that i thought you sold motorhomes. You need to make sure that within 3 seconds of someone visiting the site, they know exactly what you are offering.
You say you need to increase sales, does that mean you have lots of visitors to the site but not much response, or is it the visitors you need? As a possible solution will really depend on which it is.
Looking at it from a gaining visitor point of view I can see you have used frames to build the site (it's not particuarly user friendly and is not welcomed by search engines). Secondly there is much in terms of optimisation you could do, firstly change the title - it should be the product you are promoting in the title. You can add the company name, but add this after the product.
You should add ALT tags to your images, to enhance your keywords and also as alternative text for people not being able to see the images. Add a text based sitemap so search engines can easily pick up all pages.
You also need to increase the number of relevent themed sites linking to you. At present you have 0 linkbacks on Google, Yahoo and Altavista. I would start with a linkback campaign to start increasing your pagerank and climb the search engines.
You also need to start examining what terms people are searching on to find sites selling products such as yours. Once you have found a good, searched on, phrase you need to start optimise your site to reflect these images - and start reaping in those search engine rewards!
My free weekly search engine optimisation newsletter, at
http://www.c2webdesign.co.uk, will probably help you.
Best of luck,
Dean
C2 Web Design
http://www.c2webdesign.co.uk
Web Design | Online Marketing | Search Engine Optimisation
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